You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
19 lines
301 B
C
19 lines
301 B
C
#if defined(__GNUC__) && (__GNUC__ >= 5)
|
|
|
|
#include "uint16.h"
|
|
|
|
int imult16( int16 a, int16 b, int16* c) { return !__builtin_mul_overflow(a,b,c); }
|
|
|
|
#else
|
|
|
|
#include "safemult.h"
|
|
|
|
int imult16(int16 a,int16 b,int16* c) {
|
|
int32 x=(int32)a*b;
|
|
if ((int16)x != x) return 0;
|
|
*c=x;
|
|
return 1;
|
|
}
|
|
|
|
#endif
|